Brown Christopher D. bought MASS

February 1, 2026 · Form 4 insider transaction

Brown Christopher D. bought 10,992 shares of 908 Devices Inc., a transaction worth N/A. The trade was recorded as option exercise and disclosed on an SEC Form 4, filed 2 days after the transaction.

Direction
Acquired (buy-side)
Shares
10,992
Price
N/A
Total value
N/A
RoleOfficer, Director
SecurityCommon Stock
Transaction codeM: Option exercise
Transaction dateFebruary 1, 2026
Filing dateFebruary 3, 2026
Shares owned after985,559
OwnershipDirect
10b5-1 planNo
AmendedNo

Footnotes

Each Restricted Stock Unit ("RSU") represents a contingent right to receive, at settlement, one share of Common Stock. This transaction represents the settlement of RSUs in shares of Common Stock on their scheduled vesting date.

View the original Form 4 on SEC EDGAR